$OpenBSD: patch-mono_mini_main_c,v 1.3 2014/07/09 11:39:17 robert Exp $
--- mono/mini/main.c.orig	Mon Mar 31 22:25:10 2014
+++ mono/mini/main.c	Tue Jul  8 10:25:55 2014
@@ -113,10 +113,14 @@ main (void)
 }
 
 #else
-
+#include <sched.h>
 int
 main (int argc, char* argv[])
 {
+#if defined(__powerpc__) && defined (__GLIBC__)
+  unsigned long mask = 1;
+  sched_setaffinity(0, sizeof(mask), &mask);
+#endif
 	mono_build_date = build_date;
 	
 	return mono_main_with_options (argc, argv);
